Home / 154,864.02-232,293.30-42,543.80

Finding the Fourth Proportional to 154,864.02, 232,293.30 and 42,543.80

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Solution

The fourth proportional to 154,864.02, 232,293.30 and 42,543.80 is: 63,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,864.02 : 232,293.30 = 42,543.80 : x
  2. Step 2: Convert to fraction form
    154,864.02/232,293.30 = 42,543.80/x
  3. Step 3: Cross multiply
    154,864.02x = 232,293.30 × 42,543.80
  4. Step 4: Simplify right side
    154,864.02x = 9,882,639,696.54
  5. Step 5: Solve for x
    x = 9,882,639,696.54/154,864.02
  6. Step 6: Final answer
    x = 63,814.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.